A heap-based buffer overflow in cosa_dhcpv4_dml.c in the RDK RDKB-20181217-1 CcspPandM…
Priority MEDIUM 43CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A heap-based buffer overflow in cosa_dhcpv4_dml.c in the RDK RDKB-20181217-1 CcspPandM module may allow attackers with login credentials to achieve remote code execution by crafting a long buffer in the "Comment" field of an IP reservation form in the admin panel. This is related to the CcspCommonLibrary module.
Why it matters now
EPSS 0.02396 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rdkcentral:rdkb_ccsppandm:rdkb-20181217-1:*:*:*:*:*:*:* | rdkb-20181217-1 | Vulnerable | Rdkcentral |
- cpe:2.3:a:rdkcentral:rdkb_ccsppandm:rdkb-20181217-1:*:*:*:*:*:*:* Versions rdkb-20181217-1 Vulnerable ·Rdkcentral
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-6963
- 2026-10-03 Alias added: GHSA-9f67-cgcg-c6vj
References
More Rdkcentral Rdkb Ccsppandm vulnerabilities
- TI-2019-04900 A heap-based buffer over-read in Service_SetParamStringValue in… CVSS 3.0HIGH 8.8
- TI-2019-04898 A shell injection issue in cosa_wifi_apis.c in the RDK RDKB-20181217-1 CcspWifiAgent… CVSS 3.0HIGH 7.5
- TI-2019-04897 Incorrect access control in actionHandlerUtility.php in the RDK RDKB-20181217-1 WebUI… CVSS 3.0MEDIUM 6.5
Sources
- CVE-2019-6963 · CVE Program
- CVE-2019-6963 · NVD
- FIRST EPSS
- GHSA-9f67-cgcg-c6vj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences